Oil revenue in the Islamic Republic may have fallen by nearly one third, or $35 billion, on the back of a slowdown in exports and declining prices. With U.S. sanctions set to tighten and China's apparent readiness to go along, Tehran's budget could be thrown deep into the red, says Una Galani

The deadline for releasing Qatar's state budget for the coming fiscal year will be pushed back to the end of May because of changes to the government's accounting system and the way it prepares budgets, Qatar's state news agency said on Thursday, citing a decision by the cabinet.